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Alias:I-Worm.Bagle.AT, Bagle.BC
Type:Worm 
Size:~18-23 KBytes 
Origin: 
Date:10-29-2004 
Damage:Sent by email; P2P spreading; Searches the system for email addresses. 
VDF Version:6.28.00.45 
Danger:Low 
Distribution:High 

General DescriptionAffected systems:
Windows 95, Windows 98, Windows ME, Windows NT, Windows 2000, Windows XP, Windows Server 2003

DistributionWorm/Bagle.AT has two ways for spreading. It sends emails using its own SMTP engine and it spreads over P2P (Peer-to-Peer) networks. To do this, it searches the system for directories containing the string "SHAR" and it copies itself into them using the following file names:
ACDSee 9.exe
Adobe Photoshop 9 full.exe
Ahead Nero 7.exe
Kaspersky Antivirus 5.0
KAV 5.0
Matrix 3 Revolution English Subtitles.exe
Microsoft Office 2003 Crack, Working!.exe
Microsoft Office XP working Crack, Keygen.exe
Microsoft Windows XP, WinXP Crack, working Keygen.exe
Opera 8 New!.exe
Porno pics arhive, xxx.exe
Porno Screensaver.scr
Porno, sex, oral, anal cool, awesome!!.exe
Serials.txt.exe
WinAmp 5 Pro Keygen Crack Update.exe
WinAmp 6 New!.exe
Windown Longhorn Beta Leak.exe
Windows Sourcecode update.doc.exe
XXX hardcore images.exe

For email spreading, the worm looks into the system for files with the following extensions:
ADB, ASP, CFG, CGI, DBX, DHTM, EML, HTM, JSP, MBX, MDX, MHT, MMF, MSG, NCH, ODS, OFT, PHP, PL, SHT, SHTM, STM, TBB, TXT, UIN, WAB, WSH, XLS and XML

The worm searches these files for email addresses to send itself to. But if the addresses contain one of the strings below, the worm does not use them:
@avp., @foo, @hotmail, @iana, @messagelab, @microsoft, @msn, abuse, admin, anyone@, bsd, bugs@, cafee, certific, contract@, feste, free-av, f-secur, gold-certs@, google, help@, icrosoft, info@, kasp, linux, listserv, local, news, nobody@, noone@, noreply, ntivi, panda, pgp, postmaster@, rating@, root@, samples, sopho, spam, support, unix, update, winrar, winzip.

The email sent by the worm looks like this:
Subject: (one of the following lines)
Re:
Re:Hello
Re:Hi
Re:Thank you!
Re:Thanks:)

Body:
:) or :))

Attachment:
JOKE
PRICE
The file extension is .COM, .EXE, .CPL or .SCR.

Technical DetailsWhen activated, Worm/Bagle.AT creates the following files in Windows system directory:
\%SystemDir%\WINGO.EXE
\%SystemDir%\WINGO.EXEOPEN
\%SystemDir%\WINGO.EXEOPENOPEN

and it makes the following entries into the Windows registry:
HKEY_CURRENT_USER\SOFTWARE\ Microsoft\Windows\CurrentVersion\Run\
wingo= \%Systemdir%\wingo.exe

Worm/Bagle.AT is able to terminate processes with the following names:
alogserv.exe, APVXDWIN.EXE, ATUPDATER.EXE, AUPDATE.EXE, AUTODOWN.EXE, AUTOTRACE.EXE, AUTOUPDATE.EXE, Avconsol.exe, AVENGINE.EXE, AVPUPD.EXE, Avsynmgr.exe, AVWUPD32.EXE, AVXQUAR.EXE, blackd.exe, ccApp.exe, ccEvtMgr.exe, ccProxy.exe, ccPxySvc.exe, CFIAUDIT.EXE, DefWatch.exe, DRWEBUPW.EXE, ESCANH95.EXE, ESCANHNT.EXE, FIREWALL.EXE, FrameworkService.exe, ICSSUPPNT.EXE, ICSUPP95.EXE, LUALL.EXE, LUCOMS~1.EXE, mcagent.exe, mcshield.exe, MCUPDATE.EXE, mcvsescn.exe, mcvsrte.exe, mcvsshld.exe, navapsvc.exe, navapw32.exe, NISUM.EXE, nopdb.exe, NPROTECT.EXE, NUPGRADE.EXE, OUTPOST.EXE, PavFires.exe, pavProxy.exe, pavsrv50.exe, Rtvscan.exe, RuLaunch.exe, SAVScan.exe, SHSTAT.EXE, SNDSrvc.exe, symlcsvc.exe, UPDATE.EXE, UpdaterUI.exe, Vshwin32.exe, VsStat.exe and VsTskMgr.exe.

Worm/Bagle.AT downloads the file G.JPG from one of the following websites:
http://www.24-7-transportation.com
http://www.adhdtests.com
http://www.aegee.org
http://www.aimcenter.net
http://www.alupass.lu
http://www.amanit.ru
http://www.andara.com
http://www.angelartsanctuary.com
http://www.anthonyflanagan.com
http://www.approved1stmortgage.com
http://www.argontech.net
http://www.asianfestival.nl
http://www.atlantisteste.hpg.com.br
http://www.aviation-center.de
http://www.bbsh.org
http://www.bga-gsm.ru
http://www.boneheadmusic.com
http://www.bottombouncer.com
http://www.bradster.com
http://www.buddyboymusic.com
http://www.bueroservice-it.de
http://www.calderwoodinn.com
http://www.capri-frames.de
http://www.celula.com.mx
http://www.ceskyhosting.cz
http://www.chinasenfa.com
http://www.cntv.info
http://www.compsolutionstore.com
http://www.coolfreepages.com
http://www.corpsite.com
http://www.corpsite.com
http://www.couponcapital.net
http://www.cpc.adv.br
http://www.crystalrose.ca
http://www.cscliberec.cz
http://www.curtmarsh.com
http://www.customloyal.com
http://www.DarrkSydebaby.com
http://www.deadrobot.com
http://www.dontbeaweekendparent.com
http://www.dragcar.com
http://www.ecofotos.com.br
http://www.elenalazar.com
http://www.ellarouge.com.au
http://www.esperanzaparalafamilia.com
http://www.eurostavba.sk
http://www.everett.wednet.edu
http://www.fcpages.com
http://www.featech.com
http://www.fepese.ufsc.br
http://www.firstnightoceancounty.org
http://www.flashcorp.com
http://www.fleigutaetscher.ch
http://www.fludir.is
http://www.freeservers.com
http://www.FritoPie.NET
http://www.gamp.pl
http://www.gci-bln.de
http://www.gcnet.ru
http://www.generationnow.net
http://www.gfn.org
http://www.giantrevenue.com
http://www.glass.la
http://www.handsforhealth.com
http://www.hartacorporation.com
http://www.himpsi.org
http://www.idb-group.net
http://www.immonaut.sk
http://www.ims-i.com
http://www.innnewport.com
http://www.irakli.org
http://www.irinaswelt.de
http://www.jansenboiler.com
http://www.jasnet.pl
http://www.jhaforpresident.7p.com
http://www.jimvann.com
http://www.jldr.ca
http://www.justrepublicans.com
http://www.kencorbett.com
http://www.knicks.nl
http://www.kps4parents.com
http://www.kradtraining.de
http://www.kranenberg.de
http://www.lasermach.com
http://www.leonhendrix.com
http://www.magicbottle.com.tw
http://www.mass-i.kiev.ua
http://www.mepbisu.de
http://www.mepmh.de
http://www.metal.pl
http://www.mexis.com
http://www.mongolische-renner.de
http://www.mtfdesign.com
http://www.oboe-online.com
http://www.ohiolimo.com
http://www.onepositiveplace.org
http://www.oohlala-kirkland.com
http://www.orari.net
http://www.pankration.com
http://www.pe-sh.com
http://www.pfadfinder-leobersdorf.com
http://www.pipni.cz
http://www.polizeimotorrad.de
http://www.programmierung2000.de
http://www.pyrlandia-boogie.pl
http://www.raecoinc.com
http://www.realgps.com
http://www.redlightpictures.com
http://www.reliance-yachts.com
http://www.relocationflorida.com
http://www.rentalstation.com
http://www.rieraquadros.com.br
http://www.scanex-medical.fi
http://www.sea.bz.it
http://www.selu.edu
http://www.sigi.lu
http://www.sljinc.com
http://www.smacgreetings.com
http://www.soloconsulting.com
http://www.spadochron.pl
http://www.srg-neuburg.de
http://www.ssmifc.ca
http://www.sugardas.lt
http://www.sunassetholdings.com
http://www.szantomierz.art.pl
http://www.the-fabulous-lions.de
http://www.tivogoddess.com
http://www.tkd2xcell.com
http://www.topko.sk
http://www.transportation.gov.bh
http://www.travelchronic.de
http://www.traverse.com
http://www.uhcc.com
http://www.ulpiano.org
http://www.uslungiarue.it
http://www.vandermost.de
http://www.vbw.info
http://www.velezcourtesymanagement.com
http://www.velocityprint.com
http://www.vikingpc.pl
http://www.vinirforge.com
http://www.wecompete.com
http://www.worest.com.ar
http://www.woundedshepherds.com
http://www.wwwebad.com
http://www.wwwebmaster.com

Worm/Bagle.AT opens TCP port 81 and waits for a connection to be made.
Description insérée par Crony Walker le mardi 15 juin 2004

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